Unlimited ammunition and $1 million:
Reach the "Don Of New York City" rank at a 91.5% game completion.

Recommended weapons:
Do not waste money on safe houses. You can make it fine with just the ones you get in the story. Instead, save money for clothing and weapons. All the best weapons cost a lot but are well worth it. The Saturday Night Special is a better revolver and it will cost $75,000. The Assassin's Pistol is better gun and costs about $200,000. The Py.thon a better magnum will cost $250,000. The Dillinger is a machine gun that costs $450,000. Finally, the Street Sweeper, which works like a shotgun, sells for $500,000 and will kill most people in one shot.